E54 over Little Sioux River
GoodMonona County, Iowa · 083443301 · Structure no. 000000000250231
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 319 ft
- 3 main spans
- Daily traffic
- 289
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
E54 over Little Sioux River is a prestressed concrete stringer/multi-beam or girder carrying E54 over Little Sioux River in Monona County, Iowa. It was built in 2015, so it is 10 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 289 vehicles a day, roughly 16% of them trucks, projected to reach 289 by 2044. The structure is 319 ft (97.2 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E54 over Little Sioux River built?
It was built in 2015, making it 10 years old in 2025.
What condition is E54 over Little Sioux River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does E54 over Little Sioux River carry?
About 289 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is E54 over Little Sioux River?
The structure is 319 ft (97.2 m) long with a longest span of 117 ft (35.7 m) and a deck 33 ft wide.
Who owns E54 over Little Sioux River?
It is owned by the County Highway Agency.